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[176.184.26.1]) by smtp.gmail.com with ESMTPSA id f13-20020a05600c154d00b0040e3635ca65sm1945854wmg.2.2024.01.05.07.45.59 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 05 Jan 2024 07:46:00 -0800 (PST) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, Gavin Shan , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang Subject: [PULL 25/71] machine: Introduce helper is_cpu_type_supported() Date: Fri, 5 Jan 2024 16:42:18 +0100 Message-ID: <20240105154307.21385-26-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240105154307.21385-1-philmd@linaro.org> References: <20240105154307.21385-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Gavin Shan The logic, to check if the specified CPU type is supported in machine_run_board_init(), is independent enough. Factor it out into helper is_cpu_type_supported(). machine_run_board_init() looks a bit clean with this. Since we're here, @machine_class is renamed to @mc to avoid multiple line spanning of code. The comments are tweaked a bit either. No functional change intended. Signed-off-by: Gavin Shan Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20231204004726.483558-3-gshan@redhat.com> [PMD: Only call new helper if machine->cpu_type is not NULL] Signed-off-by: Philippe Mathieu-Daudé --- hw/core/machine.c | 84 ++++++++++++++++++++++++++--------------------- 1 file changed, 46 insertions(+), 38 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index 1898d1d1d7..0119b11fc8 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -1399,12 +1399,53 @@ const char *machine_class_default_cpu_type(MachineClass *mc) return mc->default_cpu_type; } +static bool is_cpu_type_supported(const MachineState *machine, Error **errp) +{ + MachineClass *mc = MACHINE_GET_CLASS(machine); + ObjectClass *oc = object_class_by_name(machine->cpu_type); + CPUClass *cc; + int i; + + /* + * Check if the user specified CPU type is supported when the valid + * CPU types have been determined. Note that the user specified CPU + * type is provided through '-cpu' option. + */ + if (mc->valid_cpu_types) { + for (i = 0; mc->valid_cpu_types[i]; i++) { + if (object_class_dynamic_cast(oc, mc->valid_cpu_types[i])) { + break; + } + } + + /* The user specified CPU type isn't valid */ + if (!mc->valid_cpu_types[i]) { + error_setg(errp, "Invalid CPU type: %s", machine->cpu_type); + error_append_hint(errp, "The valid types are: %s", + mc->valid_cpu_types[0]); + for (i = 1; mc->valid_cpu_types[i]; i++) { + error_append_hint(errp, ", %s", mc->valid_cpu_types[i]); + } + + error_append_hint(errp, "\n"); + return false; + } + } + + /* Check if CPU type is deprecated and warn if so */ + cc = CPU_CLASS(oc); + if (cc && cc->deprecation_note) { + warn_report("CPU model %s is deprecated -- %s", + machine->cpu_type, cc->deprecation_note); + } + + return true; +} + void machine_run_board_init(MachineState *machine, const char *mem_path, Error **errp) { ERRP_GUARD(); MachineClass *machine_class = MACHINE_GET_CLASS(machine); - ObjectClass *oc = object_class_by_name(machine->cpu_type); - CPUClass *cc; /* This checkpoint is required by replay to separate prior clock reading from the other reads, because timer polling functions query @@ -1459,42 +1500,9 @@ void machine_run_board_init(MachineState *machine, const char *mem_path, Error * machine->ram = machine_consume_memdev(machine, machine->memdev); } - /* If the machine supports the valid_cpu_types check and the user - * specified a CPU with -cpu check here that the user CPU is supported. - */ - if (machine_class->valid_cpu_types && machine->cpu_type) { - int i; - - for (i = 0; machine_class->valid_cpu_types[i]; i++) { - if (object_class_dynamic_cast(oc, - machine_class->valid_cpu_types[i])) { - /* The user specified CPU is in the valid field, we are - * good to go. - */ - break; - } - } - - if (!machine_class->valid_cpu_types[i]) { - /* The user specified CPU is not valid */ - error_setg(errp, "Invalid CPU type: %s", machine->cpu_type); - error_append_hint(errp, "The valid types are: %s", - machine_class->valid_cpu_types[0]); - for (i = 1; machine_class->valid_cpu_types[i]; i++) { - error_append_hint(errp, ", %s", - machine_class->valid_cpu_types[i]); - } - - error_append_hint(errp, "\n"); - return; - } - } - - /* Check if CPU type is deprecated and warn if so */ - cc = CPU_CLASS(oc); - if (cc && cc->deprecation_note) { - warn_report("CPU model %s is deprecated -- %s", machine->cpu_type, - cc->deprecation_note); + /* Check if the CPU type is supported */ + if (machine->cpu_type && !is_cpu_type_supported(machine, errp)) { + return; } if (machine->cgs) {